Colin Vendromin

Photodetection of squeezed light: A Whittaker-Shannon analysis

Jasper Kranias, Christian Drago, Colin Vendromin, John E. Sipe

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Non-Gaussian states via pump-depleted spontaneous parametric downconversion

Colin Vendromin, Samuel E. Fontaine, J. E. Sipe

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Quantum-Enhanced Frequency Conversion in Microrings: Which State is Best?

Samuel E. Fontaine, Colin Vendromin, Marco Liscidini, Milica Banić et autres

We investigate the quantum enhancement, or the lack thereof, in frequency conversion by studying a four-wave-mixing process in microring resonators driven by a classical pulse, a squeezed vacuum state, or a Fock state.

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Summoning Non-Gaussianity with Squeezed Vacuum

Colin Vendromin, Samuel E. Fontaine, Milica Banić, J. E. Sipe

We propose an on-chip deterministic source of non-Gaussianity using a squeezed vacuum stimulated four-wave mixing process that is robust to realistic loss.

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Photodetection of Squeezed Light: a Whittaker-Shannon Analysis

Jasper Kranias, Christian Drago, Colin Vendromin, John E. Sipe

The Whittaker-Shannon decomposition provides a temporally localized description of squeezed light, making it applicable in the CW limit and leading to a definition of squeezing strength based on the number of photon pairs at a time. We show examples of its usefulness …

Non-Gaussian states via pump-depleted SPDC

Colin Vendromin, Samuel E. Fontaine, J. E. Sipe

We develop a model for non-Gaussian state generation via spontaneous parametric down-conversion (SPDC) in InGaP microring resonators. The nonlinear Hamiltonian is written in terms of the asymptotic fields for the system, which includes a phantom channel to handle scattering loss. The full …

Programmable integrated source of polarization and frequency-bin hyperentangled photon pairs

Colin Vendromin, J. E. Sipe, Marco Liscidini

We present a system capable of generating programmable polarization and frequency-bin hyperentangled photon pairs in an integrated photonic device. The structure is composed of ring resonators, each generating photon pairs with the same polarization in two pairs of frequency bins via spontaneous …

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Photon-pair generation via down-conversion in III-V semiconductor microrings: Modal dispersion and quasi-phase-matching

Samuel E. Fontaine, Colin Vendromin, Trevor J. Steiner, Amirali Atrli et autres

We explore how III-V semiconductor microring resonators can efficiently generate photon pairs and squeezed vacuum states via spontaneous parametric down-conversion by utilizing their built-in quasi-phase-matching and modal dispersion. We present an analytic expression for the biphoton wave function of photon pairs generated …

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Efficient Triplet Generation in a Resonator

Samuel E. Fontaine, Colin Vendromin, Marco Liscidini, J. E. Sipe et autres

We show that efficient generation of photon triplets from integrated resonant structures is possible. The genuinely tripartite entangled triplets are generated by cascading spontaneous parametric down-conversion and four-wave mixing.

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Squeezed Light: Time for a Coincidence?

Jasper Kranias, Christian Drago, Colin Vendromin, J. E. Sipe

The Whittaker-Shannon decomposition provides a temporally localized description of squeezed light. We show an exmaple of its usefulness by calculating coincidence detection probabilities in the continuous-wave limit.

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InGaP Ring Resonators: Prospects for High Squeezing and Beyond

Colin Vendromin, Samuel E. Fontaine, Y. M. Pang, Lillian Thiel et autres

We present a non-degenerate squeezing source generated via spontaneous parametric down-conversion in lossy InGaP ring resonators with 11dB of predicted squeezing using experimentally demonstrated parameters.

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Highly squeezed states in ring resonators: Beyond the undepleted-pump approximation

Colin Vendromin, Yan Liu, Zhenshan S. Yang, J. E. Sipe

We present a multimode theory of squeezed-state generation in resonant systems valid for arbitrary pump power and including pump depletion. The Hamiltonian is written in terms of asymptotic-in and -out fields from scattering theory, capable of describing a general interaction. As an …

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